5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
345 lines
8.6 KiB
C++
345 lines
8.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QDebug>
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#include <QApplication>
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#include <QGraphicsLinearLayout>
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#ifndef QT_NO_OPENGL
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#include <QGLWidget>
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#endif
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#include <QObject>
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#include "button.h"
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#include "label.h"
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#include "menu.h"
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#include "topbar.h"
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#include "backgrounditem.h"
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#include "theme.h"
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#include "mainview.h"
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#include "gvbwidget.h"
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MainView::MainView(const bool enableOpenGL, const bool outputFps, const bool imageRendering, QWidget *parent)
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: QGraphicsView(parent)
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, m_scene(0)
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, m_mainLayout(0)
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, m_mainWidget(0)
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, m_testWidget(0)
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, m_imageBasedRendering(imageRendering)
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, m_pixmapToRender(0)
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, m_OutputFps(outputFps)
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, m_fpsUpdated()
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, m_Fpss()
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, m_angle(0)
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, m_enableOpenGL(enableOpenGL)
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{
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construct();
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}
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MainView::~MainView()
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{
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if (!m_scene->parent())
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delete m_scene;
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delete m_pixmapToRender;
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}
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void MainView::setTestWidget(QGraphicsWidget *testWidget)
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{
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if (!testWidget)
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return;
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if (m_testWidget) {
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m_mainLayout->removeItem(m_testWidget);
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if (!m_testWidget->parent() && !m_testWidget->parentLayoutItem())
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delete m_testWidget;
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}
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m_testWidget = testWidget;
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m_mainLayout->addItem(m_testWidget);
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resizeContent(size());
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}
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QGraphicsWidget *MainView::takeTestWidget()
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{
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if (m_testWidget) {
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m_mainLayout->removeItem(m_testWidget);
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QGraphicsWidget *tmp = m_testWidget;
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m_testWidget = 0;
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return tmp;
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}
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return 0;
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}
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QGraphicsWidget *MainView::testWidget()
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{
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return m_testWidget;
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}
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void MainView::setImageBasedRendering(const bool imageBasedRendering)
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{
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m_imageBasedRendering = imageBasedRendering;
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delete m_pixmapToRender;
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m_pixmapToRender = 0;
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viewport()->update();
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}
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bool MainView::imageBasedRendering() const
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{
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return m_imageBasedRendering;
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}
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qreal MainView::fps()
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{
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if (m_Fpss.count() <= 0)
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updateFps();
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if (m_Fpss.count() <= 0)
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return 0.0;
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qreal sum = 0;
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int count = m_Fpss.count();
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for (int i = 0; i<count; ++i)
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sum += m_Fpss.at(i);
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m_Fpss.clear();
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fpsReset();
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return sum/qreal(count);
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}
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void MainView::fpsReset()
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{
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m_frameCount = 0;
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m_fpsFirstTs.start();
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m_fpsLatestTs = m_fpsFirstTs;
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m_fpsUpdated.start();
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}
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void MainView::rotateContent(int angle)
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{
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bool portrait = ((m_angle+angle)%90 == 0) && ((m_angle+angle)%180 != 0);
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bool landscape = ((m_angle+angle)%180 == 0);
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if (!portrait && !landscape)
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return;
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m_angle = (m_angle + angle)%360;
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rotate(angle);
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resizeContent(size());
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}
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int MainView::rotationAngle() const
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{
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return m_angle;
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}
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void MainView::resizeContent(const QSize &s)
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{
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QSizeF l_size(s);
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QSizeF p_size(l_size.height(), l_size.width());
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bool portrait = (m_angle%90 == 0) && (m_angle%180 != 0);
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if (portrait) {
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m_mainWidget->resize(p_size);
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m_backGround->resize(p_size);
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}
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else {
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m_mainWidget->resize(l_size);
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m_backGround->resize(l_size);
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}
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m_menu->setPos(m_topBar->getStatusBarLocation());
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setSceneRect(QRectF(m_mainWidget->pos(), m_mainWidget->size()));
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}
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void MainView::resizeEvent(QResizeEvent * event)
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{
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QGraphicsView::resizeEvent(event);
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resizeContent(event->size());
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}
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void MainView::paintEvent (QPaintEvent *event)
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{
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if (m_imageBasedRendering) {
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if (!m_pixmapToRender)
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m_pixmapToRender = new QPixmap(size());
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if (m_pixmapToRender->size() != size()) {
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delete m_pixmapToRender;
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m_pixmapToRender = new QPixmap(size());
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}
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QPainter p(m_pixmapToRender);
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render(&p);
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p.end();
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}
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else {
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QGraphicsView::paintEvent(event);
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}
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if (!m_OutputFps)
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emit repainted();
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m_frameCount++;
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m_fpsLatestTs.start();
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if(m_fpsUpdated.elapsed() > 2000) {
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updateFps();
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m_fpsUpdated.start();
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}
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}
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void MainView::keyPressEvent(QKeyEvent *event)
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{
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if (event->key() == Qt::Key_F) {
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if (isFullScreen())
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showNormal();
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else
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showFullScreen();
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}
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//S60 3.x specific
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if(m_menu->menuVisible()) {
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m_menu->keyPressEvent(event);
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return;
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}
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if(event->key() == 16777235 ) { //Up Arrow
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GvbWidget* widget = qobject_cast<GvbWidget*>(m_testWidget);
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if(widget)
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widget->keyPressEvent(event);
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}
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if(event->key() == 16777237 ) { //Down Arrow
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GvbWidget* widget = qobject_cast<GvbWidget*>(m_testWidget);
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if(widget)
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widget->keyPressEvent(event);
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}
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if(event->key() == 17825792 ) { //LSK
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if(!m_menu->menuVisible())
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m_menu->menuShowHide();
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}
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if(event->key() == 17825793 ) { //RSK
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QApplication::quit();
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}
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}
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void MainView::construct()
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{
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m_scene = new QGraphicsScene;
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#ifndef QT_NO_OPENGL
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if (m_enableOpenGL) {
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qDebug() << "OpenGL enabled";
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m_scene->setSortCacheEnabled(false);
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setViewport(new QGLWidget);
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// Qt doc says: This is the preferred update mode for
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// viewports that do not support partial updates, such as QGLWidget...
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setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
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} else
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#endif
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setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
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setScene(m_scene);
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m_scene->setItemIndexMethod(QGraphicsScene::NoIndex);
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//setCacheMode(QGraphicsView::CacheBackground);
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setAlignment(Qt::AlignLeft | Qt::AlignTop);
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// Turn off automatic background
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setAttribute(Qt::WA_OpaquePaintEvent);
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setAttribute(Qt::WA_NoBackground);
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setAttribute(Qt::WA_NoSystemBackground);
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setAutoFillBackground(false);
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//Background
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m_backGround = new BackgroundItem("background.svg");
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m_scene->addItem(m_backGround);
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m_backGround->setZValue(0);
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//Menu
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m_menu = new Menu(this);
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m_scene->addItem(m_menu); //Add menu to the scene directly
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m_menu->setZValue(10); //Bring to front
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m_mainLayout = new QGraphicsLinearLayout(Qt::Vertical);
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m_mainLayout->setContentsMargins(0,0,0,0);
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m_mainLayout->setSpacing(0);
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m_mainWidget = new QGraphicsWidget;
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m_mainWidget->setLayout(m_mainLayout);
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m_mainWidget->setZValue(1);
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m_scene->addItem(m_mainWidget);
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//Topbar
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m_topBar = new TopBar(this, 0);
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m_mainLayout->addItem(m_topBar);
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m_topBar->setZValue(1);
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connect(m_topBar, SIGNAL(clicked(bool)), m_menu, SLOT(menuShowHide()));
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setContentsMargins(0,0,0,0);
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setViewportMargins(0,0,0,0);
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setFrameShape(QFrame::NoFrame);
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fpsReset();
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m_fpsUpdated.start();
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}
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void MainView::updateFps()
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{
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int msecs = m_fpsFirstTs.msecsTo(m_fpsLatestTs);
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qreal fps = 0;
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if (msecs > 0) {
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fps = m_frameCount * 1000.0 / msecs;
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if (m_OutputFps)
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qDebug() << "FPS: " << fps;
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m_Fpss.append(fps);
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}
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m_fpsFirstTs = m_fpsLatestTs;
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m_frameCount = 0;
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}
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Menu *MainView::menu()
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{
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return m_menu;
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}
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